Nassau County  »  423 Mill River Rd

423 Mill River Road, Oyster Bay, NY 11771 - Property report

Also known as: 423 Mill River Rd

Property image for 423 Mill River Road, Oyster Bay, NY 11771
static Mapbox map

Property type

One Family Year - Round Residence (210.01)

Year built

1964

Acreage

2.23

Sale price

$690,000

General information

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Access up-to-date information from property owner names to sales history, deeds, tax info, mortgages, development data, planimetric maps and more.

Address
Primary address
423 Mill River Road
ZIP code
11771
County
Nassau
Town/City
Oyster Bay
Village (SWIS code)
None (unincorporated town)
Parcel ID
24-B-987

Owner

Find out who owns 423 Mill River Road, Oyster Bay, NY 11771. Uncover corporate and individual owners with a free account.

Sales
Sale date
07/10/2019
Sale price
$690,000
Arm's length
Tax
Tax year
2026
Current property tax
$15,395
Tax class
Zoning & Use
Zoning
R1-2A
Building
Property type
One Family Year - Round Residence (210.01)
Building sq. ft.
3,846
Buildings on lot
1
Stories
1.7
Year built
1964
Rooms
8
Bathrooms
4
Half bathrooms
1
Exterior wall
Alum/Vinyl
Building style
Colonial
Basement
Full
Attic
None
Fireplaces
1
Heating type
Central/AC
Heating system
Central w ac
Lot
Acreage
2.23
Topography
Level
Land
Primary site

Area overview

Walk score
41 /100.  Car-Dependent
Transit score
0 /100.  Minimal Transit
Bike score
32 /100.  Somewhat Bikeable
School district
3008

View more such as transportation, nearby schools and risk designations.

Ownership information for 423 Mill River Road, Oyster Bay, NY

Property owner name
Registered owner
Source
Deed
Owner contact information
Phone number
Owner address

Sales history for 423 Mill River Road, Oyster Bay, NY 11771

*Most recent sale on record for this property.

More about Nassau County property records.

Title documents

Date Type Amount Party 1 Party 2
07/24/2019 - R Deed Agreement
(Agreement Deed)
XXXXX XXXXXXX XXX XXXX XXXXXXXX
07/19/2019 - R
07/10/2019 - D
Deed XXXXX XXXXXXX XXXX XXXXXXXXXXX XX XXXXX XXXX XXXXXXXX
07/19/2019 - R
07/10/2019 - D
Mortgage
(Fixed Rate)
XXXX XXXXXXXX XXXXXXXX XXXXXXX XXXXXX XXXXX
10/15/2010 - R
09/21/2010 - D
Deed XXXXXXX XXXXXXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Property taxes for 423 Mill River Road, Oyster Bay, NY

Property tax data includes tax amount, market value and assessed value, exemptions, abatements and assessment history.

Current property tax
Tax year
2026
Current property tax
$15,395
Base tax
$15,621
Current school tax
Recent tax assessments
Market value
$758,000
Assessed value
$758
Transitional assessed value
Exemptions

Assessment history

See the assessment and property tax history, including the evolution of the total tax rate and corresponding property tax amount.

Tax year Market value Assessed value Tax rate Property tax Y-o-Y change
2026 $758,000 $758 2060.861 $15,621 +1.35%
2025 $773,000 $773 1993.923 $15,413 -7.22%
2024 $777,000 $777 2137.973 $16,612 -5.64%
2023 $791,000 $791 2225.761 $17,606 -5.10%
2022 $777,000 $777 2387.527 $18,551 -9.88%
2021 $777,000 $777 2649.306 $20,585 +37.86%
2020 $532,000 $1,330 1122.713 $14,932 -0.76%
2019 $570,000 $1,425 1055.887 $15,046 -1.51%
2018 $608,000 $1,520 1005.076 $15,277 -3.48%
2017 $646,000 $1,615 980.102 $15,829 -3.16%

Permit information for 423 Mill River Road, Oyster Bay, NY

No recently recorded permits for this property.

Risk

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FEMA flood zones

FEMA flood zones
X

Transportation

Daily traffic map

Access the detailed traffic volume map for 423 Mill River Road, Oyster Bay, NY 11771 to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance (miles)
Vernon School 6 Public 3-6 434 0.30
St Dominic High School NR Private PK-12 603 1.63
St Dominic High School NR Private PK-12 603 1.63
St Dominic Elementary School NR Private PK-8 218 1.72
St Dominic Elementary School NR Private PK-8 218 1.72
Theodore Roosevelt School NR Public PK, K-2 325 1.90
Theodore Roosevelt School NR Public PK, K-2 325 1.90
East Woods School NR Private PK, K-8 226 2.11
Berry Hill Elementary School 8 Public K-5 450 2.60
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Harmony Heights School NR Private 8-12 74 0.48
Harmony Heights School NR Private 8-12 0 0.50
St Dominic High School NR Private PK-12 603 1.63
St Dominic Elementary School NR Private PK-8 218 1.72
OYSTER BAY MIDDLE SCHOOL 5 Public 7-8 217 1.83
Long Island Lutheran Middle & High School NR Private 6-12 439 2.05
South Woods Middle School 8 Public 6-8 746 3.01
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Harmony Heights School NR Private 8-12 74 0.48
Harmony Heights School NR Private 8-12 0 0.50
St Dominic High School NR Private PK-12 603 1.63
Oyster Bay High School 7 Public 9-12 415 1.83
Long Island Lutheran Middle & High School NR Private 6-12 439 2.05
Portledge School NR Private PK-12 522 2.76
Syosset Senior High School 10 Public 9-12 2,266 3.22
P.S. 256 NR Public PK, K-12 500 3.25
Jericho Senior High School 10 Public 9-12 1,258 3.28

Data provided by GreatSchools.org © 2026. All rights reserved.

Frequently asked questions

What is the year built for 423 Mill River Road, Oyster Bay, NY 11771?

The development at 423 Mill River Road, Oyster Bay, NY 11771 was built in 1964.

What is the total square footage of 423 Mill River Road, Oyster Bay, NY 11771?

423 Mill River Road, Oyster Bay, NY 11771 has a total of 3,846 square feet.

When was 423 Mill River Road, Oyster Bay, NY 11771 last sold and what was the sale price?

423 Mill River Road, Oyster Bay, NY 11771 was last sold on 07/10/2019 for $690,000.

What is the assessed value of 423 Mill River Road, Oyster Bay, NY 11771?

423 Mill River Road, Oyster Bay, NY 11771 is currently assessed at $758.

What are the property taxes for 423 Mill River Road, Oyster Bay, NY 11771?

The property taxes for 423 Mill River Road, Oyster Bay, NY 11771 total $15,621.

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